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Have doctors ever found teeth in a vagina?

health.howstuffworks.com/human-body/parts/teeth-in-vagina.htm

Vagina teeth are the stuff of legends - but is it possible for a woman to have teeth in her vagina? The answer might surprise you.

Is your foot really the same length as your arm from wrist to elbow?

health.howstuffworks.com/human-body/parts/foot-same-length-as-arm-from-wrist-to-elbow.htm

Is your foot really the same length as your arm from wrist to elbow? Find out with a little help from Da Vinci at HowStuffWorks.

Where did the 2,000-calorie diet come from?

health.howstuffworks.com/wellness/food-nutrition/facts/2000-calorie-diet.htm

Nutrition labels list daily values based on a 2,000-calorie diet. But where did the 2,000-calorie diet come from? Find out.

Why do lullabies work?

health.howstuffworks.com/pregnancy-and-parenting/baby-health/infant-health/why-do-lullabies-work.htm

Research has proven lullabies can lower stress levels in babies. Learn why lullabies work at HowStuffWorks.

Will we learn to live without sleep?

health.howstuffworks.com/mental-health/sleep/basics/will-learn-to-live-without-sleep.htm

It's likely that humans will evolve to need more sleep. Find out if we will learn to live without sleep at HowStuffWorks.

Will you die if you never sleep?

health.howstuffworks.com/mental-health/sleep/basics/die-if-never-sleep.htm

Sleep deprivation can have many side effects, but is death one of them? Find out if you can die if you never sleep at HowStuffWorks.

10 Off-label Uses of Antidepressants

health.howstuffworks.com/medicine/medication/10-off-label-uses-antidepressants.htm

Antidepressants are often used to treat things that aren't depression. Find out about off-label antidepressant use at HowStuffWorks.

Can humans regrow limbs?

health.howstuffworks.com/medicine/modern-technology/can-humans-regrow-limbs.htm

Humans have regrown fingertips, but can we regrow whole limbs? Find out at HowStuffWorks.

Can we use microbes to fight disease?

health.howstuffworks.com/medicine/modern-technology/can-use-microbes-to-fight-disease.htm

It's true that some microbes can wreak havoc on your body, but we can use good microbes to fight disease. Learn more on HowStuffWorks.

How do you know if you should go to the emergency room?

health.howstuffworks.com/medicine/how-to-know-if-should-go-to-emergency-room.htm

It can be hard to tell whether an injury, illness or other troubling symptom warrants a trip to the ER. See when it is good to go to the ER.

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